{'create': datetime.datetime(2011, 1, 2, 23, 11, 16, 664503), 'author': 'vvs'}
{'create': datetime.datetime(2011, 1, 2, 23, 11, 16, 664820), 'author': 'vvs'}
add_dim_dlg
['10', '12', '15', '20']
Traceback (most recent call last):
  File "/home/vvs/Programming/dimcalc/dimcalc.py", line 500, in on_series_view_cursor_changed
    self.current_dim_series.formula = self.entryf.get_text()
  File "/home/vvs/Programming/dimcalc/dimension.py", line 227, in formula
    self.__calc__()
  File "/home/vvs/Programming/dimcalc/dimension.py", line 214, in __calc__
    r = eval(f)
  File "<string>", line 0, in <module>
  File "/home/vvs/Programming/dimcalc/dimension.py", line 130, in __sin__
    x = sin(self.__value)
NameError: global name 'sin' is not defined
